Which of the following compound will have the largest lattice energy?
A
AlBr3
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B
CaO
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C
LiBr
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D
MgBr2
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Solution
The correct option is AAlBr3 AlBr3 have the largest lattice energy. Because of the greater charge on Al3+ ions and Br− as lattice energy is directly proportional to the charges of the combing atoms.